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How to Do a Log Problem Using Ti-83

A logarithm is an exponent. Logarithms with base 10 are known as "common logarithms," and logarithms with base n are known as "natural logarithms." If the base is not indicated, a base of 10 is implied. The TI-83 will calculate the logarithm conversion for you with just a few keystrokes.

Instructions

    • 1

      Use the Logarithm button where indicated in your equation, such as: LOG(value). Press the LOG button.

    • 2

      Enter the number you need the logarithm for and press the ")" right parenthesis. Using the example 10, press: "1," "0" and ")". Your screen will look like:

      log (10).

    • 3

      Press ENTER to return the answer on the display screen, 1.

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